CN220659091U - Thread extruding device - Google Patents

Abstract

The utility model discloses a thread extruding device, which relates to the technical field of machining and comprises a base and a checking unit; the base is provided with a feeding mechanism and a pressurizing mechanism, the feeding mechanism is provided with a clamping table, the pressurizing mechanism is provided with two cases, and the two cases are provided with thread rolling wheels; the calibrating unit comprises a lifting assembly, an adjusting box, a buffer box and a detection die, wherein the lifting assembly is arranged on the base, and the lifting assembly is connected with the adjusting box. The beneficial effects are that: according to the utility model, the mounting angles and positions of the two thread rolling wheels are calibrated through the two detection dies, so that the thread teeth on the two detection dies are attached to the tooth grooves on the two thread rolling wheels, the same track of the two thread rolling wheels when extruding and processing threads on blanks is ensured, the detection speed is improved, and the processing efficiency is ensured; the hard contact of the detection die and the thread rolling wheel is prevented from being damaged through the spring.

Description

Thread extruding device

Technical Field

The utility model relates to the technical field of machining, in particular to a thread extruding device.

Background

A spiral-shaped continuous convex portion with a specific cross section is formed on the surface of the cylindrical or conical blank. The threads are divided into cylindrical threads and conical threads according to the shape of a parent body of the threads; the female screw is divided into an external screw thread and an internal screw thread according to the position of the female screw, and the female screw thread is divided into a triangular screw thread, a rectangular screw thread, a trapezoidal screw thread, a zigzag screw thread and other screw threads with special shapes according to the section shape of the female screw. The processing method of the screw thread is many, such as threading and extruding, the processing scheme is selected according to the factors of the structural shape of the workpiece, thread profile, size and precision of the screw thread, workpiece material, heat treatment, production type and the like in production, and when processing some small workpieces, the extruding mode is mostly adopted for production.

Compared with the prior art in the related field, when the threads are extruded, the installation positions of the two thread rolling wheels are required to be adjusted firstly, so that the teeth of the two thread rolling wheels are staggered by half teeth, threads formed by extrusion of the two rollers on the blank are coincident, the existing adjustment mode mainly detects whether the detection of the indentation is coincident or not through detecting whether the detection of the indentation is coincident or directly using a die to attach to the rollers, repeated adjustment detection is required to be carried out on the two thread rolling wheels, the detection speed is low, and the processing efficiency is slow.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a screw extruding device.

The utility model realizes the above purpose through the following technical scheme:

a thread extruding device comprises a base and a calibration unit;

the feeding mechanism drives the blank to move and feed through the clamping table, the thread rolling wheel is arranged on the machine box, the machine box drives the machine box to move and apply thrust to the machine box, and the machine box applies thrust to the thread rolling wheel, so that the thread rolling wheel extrudes and processes threads on the blank;

the calibrating unit comprises a lifting component, an adjusting box, a buffer box and a detection mould, wherein the lifting component is arranged on the base, the lifting component is connected with the adjusting box, the adjusting box is driven to move through the lifting component, so that the height of the adjusting box is adjusted, an installation cavity is arranged in the adjusting box, the adjusting box is rotationally connected with a rotating shaft, a hand wheel is arranged at the upper end of the rotating shaft, a gear is arranged at the part of the rotating shaft positioned in the installation cavity, two racks are slidingly connected in the installation cavity, the two racks are respectively arranged at two sides of the gear, the two racks are respectively meshed with the gear, a connecting rod is arranged at the lower end of the connecting rod, the buffer box is arranged at the lower end of the buffer box, the buffer box is internally provided with the buffer component, the buffer component is connected with an installation seat, the installation seat is connected with the detection mould, the detection die is arranged on the mounting seat, the detection die is provided with threads identical to threads required to be processed on the blank, and because the two thread rolling wheels need to be staggered by half tooth positions when the blank is extruded, the extrusion processing track of the two thread rolling wheels on the blank is ensured to be identical, the gear is driven to rotate through the hand wheel and the rotating shaft according to the tooth pitch of the extruded threads, the gear drives the rack to move, the distance between the two detection dies is adjusted, the threads on the two detection dies are different by half tooth positions, the adjusting box drives the detection dies to move through the rack, the connecting rod, the buffer box and the mounting seat, the central heights of the detection dies and the thread rolling wheels are identical, the buffer assembly is used for enabling the detection dies to be in buffer contact with the thread rolling wheels, so that the detection dies are attached to the thread rolling wheels, and the hard contact of the detection dies and the thread rolling wheels is prevented from being damaged, and the installation angles and positions of the two thread rolling wheels are calibrated through the two detection dies, so that the same track of the two thread rolling wheels when the blank is extruded and processed is ensured.

Further, the lifting assembly comprises a support and a hydraulic cylinder, the support is arranged on the base, the hydraulic cylinder is arranged on the support, the telescopic end of the hydraulic cylinder is connected with the adjusting box, the hydraulic cylinder is supported through the support, the hydraulic cylinder is connected with an external control switch group, and the hydraulic cylinder drives the adjusting box to move, so that the height of the adjusting box is adjusted.

Further, the buffer assembly comprises a spring and a slide bar, the spring is arranged in the buffer box, the spring is connected with the slide plate, the slide plate is connected with the slide bar, the slide plate is connected with the buffer box in a sliding manner, the slide bar is connected with the mounting seat, the mounting seat extrudes the spring through the slide plate and the slide bar, and the mounting seat is buffered through the spring, so that the detection die is buffered, the hard contact of the detection die and the thread rolling wheel is prevented from being damaged, and the detection die and the thread rolling wheel are protected.

Further, be provided with the dovetail groove on the mount pad, sliding connection has the trapezoidal piece in the dovetail groove, the trapezoidal piece is connected detect the mould, make detect the mould quick installation through dovetail groove and trapezoidal piece and fix on the mount pad, improved the convenience of detecting the mould and changing the installation.

Further, the automatic adjusting device further comprises a scale mark and a scale, wherein the scale mark is arranged on the upper surface of the hand wheel in an equal angle mode, the scale is arranged on the adjusting box and is located right above the scale mark, and the rotation angle of the hand wheel is marked through the scale mark and the scale.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the tooth pitch that two thread rolling wheels need to misplace, the hand wheel drives the gear through the pivot and rotates, and the gear drives the rack and removes, and the rack passes through the connecting rod, buffer box and mount pad drive detection mould and removes for the screw thread on two detection moulds differs by half tooth position, carries out quick calibration to the installation angle and the position of two thread rolling wheels through two detection moulds, makes the screw thread tooth on two detection moulds and the tooth's socket on two thread rolling wheels laminate mutually, and the orbit when guaranteeing that two thread rolling wheels extrude the processing screw thread to the embryo material is the same, improves detection speed, guarantees machining efficiency.

2. When detecting the mould and rolling the silk wheel and contact, extrude the spring through mount pad, slide bar and slide, cushion detecting the mould through the spring, avoid detecting mould and rolling the silk wheel hard contact and take place the damage to detect mould and rolling the silk wheel and protect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a screw extruding device according to the present utility model;

FIG. 2 is a schematic side view of a screw extruding device according to the present utility model;

FIG. 3 is an enlarged schematic view of the thread extruding device shown in FIG. 2A;

FIG. 4 is an enlarged partial cross-sectional schematic view of a screw extruding device according to the present utility model;

FIG. 5 is a schematic top view, partly in section, of a thread extruding apparatus according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure of the screw extruding device shown in FIG. 5B according to the present utility model;

FIG. 7 is a schematic view of the working connection state of a screw extruding device according to the present utility model;

the reference numerals are explained as follows:

1. a base; 2. a collation unit; 21. a bracket; 22. a hydraulic cylinder; 23. an adjusting box; 24. a hand wheel; 25. a rotating shaft; 26. a gear; 27. a mounting cavity; 28. a rack; 29. a connecting rod; 210. a buffer tank; 211. a spring; 212. a slide plate; 213. a mounting base; 2131. a trapezoid groove; 2132. a trapezoid block; 214. a slide bar; 215. detecting a die; 3. a feeding mechanism; 4. a clamping table; 5. a pressurizing mechanism; 6. a chassis; 7. a thread rolling wheel; 8. a scale mark; 9. a ruler.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

examples

As shown in fig. 1 to 7, a screw extruding device includes a base 1 and a proofing unit 2;

the base 1 is provided with a feeding mechanism 3 and a pressurizing mechanism 5, the feeding mechanism 3 is provided with a clamping table 4, the pressurizing mechanism 5 is provided with two machine boxes 6, the two machine boxes 6 are provided with thread rolling wheels 7, as shown in fig. 1 and 2, the thread rolling wheels 7 are arranged on the machine boxes 6, during processing, blanks needing to be extruded with threads are placed on the clamping table 4, the blanks are fixedly arranged through the clamping table 4, the feeding mechanism 3 drives the blanks to move and feed through the clamping table 4, the ingredients are enabled to move between the two thread rolling wheels 7, the pressurizing mechanism 5 drives the machine boxes 6 to move, thrust is applied to the machine boxes 6, and thrust is applied to the thread rolling wheels 7 through the machine boxes 6, so that the thread rolling wheels 7 extrude the blanks to process the threads;

the checking unit 2 comprises a lifting component, an adjusting box 23, a buffer box 210 and a detection die 215, wherein the lifting component is arranged on a base 1, the lifting component is connected with the adjusting box 23, as shown in fig. 1 and 2, the adjusting box 23 is driven to move by the lifting component, so that the height of the adjusting box 23 is adjusted, an installation cavity 27 is arranged in the adjusting box 23, the adjusting box 23 is rotationally connected with a rotating shaft 25, the upper end of the rotating shaft 25 is provided with a hand wheel 24, the part of the rotating shaft 25 positioned in the installation cavity 27 is provided with a gear 26, two racks 28 are slidably connected in the installation cavity 27, the two racks 28 are respectively arranged on two sides of the gear 26, the two racks 28 are respectively meshed with the connecting gear 26, the lower ends of the two racks 28 are provided with a connecting rod 29, the lower end of the connecting rod 29 is provided with the buffer box 210, the buffer box 210 is internally provided with a buffer component, the buffer component is connected with an installation seat 213, the installation seat 213 is connected with the detection die 215, as shown in fig. 1-7, a detection die 215 is mounted on a mounting seat 213, the detection die 215 is provided with threads identical to threads required to be processed on a blank, as when the blank is extruded and threaded, two thread rolling wheels 7 need to be staggered by half tooth positions, so that the extrusion processing track of the two thread rolling wheels 7 on the blank is ensured to be identical, according to the tooth pitch of the extrusion threads, a hand wheel 24 is rotated, the hand wheel 24 drives a rotating shaft 25 to rotate, the hand wheel 24 drives a gear 26 to rotate through the rotating shaft 25, the gear 26 drives a rack 28 to move, the rack 28 drives the detection die 215 to move through a connecting rod 29, a buffer box 210 and the mounting seat 213, the distance between the threads on the two detection dies 215 is adjusted, the threads on the two detection dies 215 are different by half tooth positions, and when an adjusting box 23 moves, the adjusting box 23 passes through the rack 28 and the connecting rod 29, the buffer box 210 and the mounting seat 213 drive the detection mould 215 to move, so that the central heights of the detection mould 215 and the thread rolling wheels 7 are the same, the detection mould 215 is in buffer contact with the thread rolling wheels 7 through the buffer assembly, the detection mould 215 and the thread rolling wheels 7 are attached to each other, the hard contact of the detection mould 215 and the thread rolling wheels 7 is prevented from being damaged, the mounting angles and the positions of the two thread rolling wheels 7 are calibrated through the two detection moulds 215, the thread teeth on the two detection moulds 215 are attached to tooth grooves on the two thread rolling wheels 7, and the fact that the tracks of the two thread rolling wheels 7 when extruding and processing the blank are the same is ensured.

The lifting assembly comprises a support 21 and a hydraulic cylinder 22, wherein the support 21 is arranged on the base 1, the hydraulic cylinder 22 is arranged on the support 21, the telescopic end of the hydraulic cylinder 22 is connected with an adjusting box 23, as shown in fig. 1 and 2, the hydraulic cylinder 22 is supported by the support 21, the hydraulic cylinder 22 is connected with an external control switch group, and when the lifting assembly works, the hydraulic cylinder 22 is controlled to work by the external control switch group, and the hydraulic cylinder 22 drives the adjusting box 23 to move, so that the height of the adjusting box 23 is adjusted.

The buffer assembly comprises a spring 211 and a slide bar 214, the spring 211 is arranged in the buffer box 210, the spring 211 is connected with the slide plate 212, the slide plate 212 is connected with the slide bar 214, the slide plate 212 is connected with the buffer box 210 in a sliding manner, the slide bar 214 is connected with a mounting seat 213, as shown in fig. 4 and 7, when the detection die 215 is contacted with the thread rolling wheel 7, the detection die 215 pushes the slide plate 212 through the mounting seat 213 and the slide bar 214, the spring 211 is extruded by the slide plate 212, the mounting seat 213 is buffered by the spring 211, so that the detection die 215 is buffered, the hard contact of the detection die 215 and the thread rolling wheel 7 is prevented from being damaged, the detection die 215 and the thread rolling wheel 7 are protected, and the detection die 215 is attached to the thread rolling wheel 7 through the elastic force of the spring 211.

The mounting seat 213 is provided with the trapezoid groove 2131, the trapezoid block 2132 is slidably connected in the trapezoid groove 2131, the trapezoid block 2132 is connected with the detection die 215, the detection die 215 drives the trapezoid block 2132 to move, the trapezoid block 2132 is slidably mounted in the trapezoid groove 2131, and as shown in fig. 5 and 6, the detection die 215 is quickly mounted and fixed on the mounting seat 213 through the trapezoid groove 2131 and the trapezoid block 2132, so that the convenience of replacement and mounting of the detection die 215 is improved.

Still include scale mark 8 and scale 9, scale mark 8 equiangular setting is on the upper surface of hand wheel 24, scale 9 sets up on adjusting box 23, scale 9 is located directly over scale mark 8, as shown in fig. 1, fig. 2, fig. 3, when hand wheel 24 rotates, hand wheel 24 drives scale mark 8 and rotates, scale mark 8 takes place to remove to make scale 9 and different scale marks 8 corresponding, through scale mark 8 corresponding with scale 9, thereby mark the rotation angle of hand wheel 24, the convenience staff rotates hand wheel 24 as required.

Working principle: during operation, corresponding detection dies 215 and corresponding thread rolling wheels 7 are selected according to the size of extrusion threads on blanks, as shown in fig. 5 and 6, the detection dies 215 drive the trapezoid blocks 2132 to move, the trapezoid blocks 2132 are slidably installed in the trapezoid grooves 2131, the detection dies 215 are quickly installed and fixed on the installation seat 213 through the trapezoid grooves 2131 and the trapezoid blocks 2132, as shown in fig. 1 and 2, the thread rolling wheels 7 are installed on the case 6, the hand wheels 24 are rotated according to the tooth pitch of the extrusion threads, as shown in fig. 1, 2 and 3, the hand wheels 24 drive the scale marks 8 and the rotating shafts 25 to rotate, the scale marks 8 move, so that the scale marks 9 correspond to different scale marks 8, the rotation angles of the hand wheels 24 are controlled according to the scale marks 8 corresponding to the scale marks 9, meanwhile, as shown in fig. 1-7, the hand wheels 24 drive the gears 26 to rotate through the rotating shafts 25, the gear 26 drives the rack 28 to move, the rack 28 drives the detection dies 215 to move through the connecting rod 29, the buffer box 210 and the mounting seat 213, thereby adjusting the distance between the threads on the two detection dies 215, so that the threads on the two detection dies 215 are different by half a tooth position, the hydraulic cylinder 22 is controlled to work through the external control switch group, the hydraulic cylinder 22 drives the adjusting box 23 to move, the adjusting box 23 drives the detection dies 215 to move through the rack 28, the connecting rod 29, the buffer box 210 and the mounting seat 213, so that the central heights of the detection dies 215 and the thread rolling wheel 7 are the same, the pressurizing mechanism 5 drives the thread rolling wheel 7 to move through the case 6, so that the thread rolling wheel 7 contacts with the detection dies 215, and when the detection dies 215 contact with the thread rolling wheel 7, as shown in figures 4 and 7, the detection dies 215 push the sliding plate 212 through the mounting seat 213 and the sliding rod 214, the slide plate 212 extrudes the spring 211, the mount pad 213 is buffered through the spring 211, thereby buffer the detection mould 215, avoid detecting mould 215 and thread rolling wheel 7 hard contact and take place the damage, the installation angle and the position of two thread rolling wheels 7 are calibrated through two detection moulds 215, and adjust thread rolling wheel 7, make the screw tooth on two detection moulds 215 and the tooth groove on two thread rolling wheels 7 laminate mutually, thereby install and adjust thread rolling wheel 7 in place, improve thread rolling wheel 7 detection speed, guarantee machining efficiency, reverse removal through outside control switch group control pneumatic cylinder 22, thereby make detection mould 215 break away from thread rolling wheel 7, place the embryo material that needs the extrusion screw thread at clamp platform 4, carry out fixed mounting through clamp platform 4 to the embryo material, feed mechanism 3 drives the embryo material through clamp platform 4 and removes the material loading, make the batching remove between two thread rolling wheels 7, drive quick-witted case 6 through pressurizing mechanism 5 and exert thrust to machine case 6, thereby make thread rolling wheel 7 carry out extrusion thread machining to the embryo material.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (5)

1. The thread extruding device is characterized by comprising a base (1) and a checking unit (2);

the automatic feeding device is characterized in that a feeding mechanism (3) and a pressurizing mechanism (5) are arranged on the base (1), a clamping table (4) is arranged on the feeding mechanism (3), two machine boxes (6) are arranged on the pressurizing mechanism (5), and thread rolling wheels (7) are arranged on the two machine boxes (6);

the correction unit (2) comprises a lifting assembly, an adjusting box (23), a buffer box (210) and a detection die (215), wherein the lifting assembly is arranged on the base (1), the lifting assembly is connected with the adjusting box (23), a mounting cavity (27) is formed in the adjusting box (23), the adjusting box (23) is rotationally connected with a rotating shaft (25), a hand wheel (24) is arranged at the upper end of the rotating shaft (25), a gear (26) is arranged at the part, located in the mounting cavity (27), of the rotating shaft (25), two racks (28) are connected in the mounting cavity (27) in a sliding manner, the two racks (28) are respectively arranged on two sides of the gear (26), the two racks (28) are respectively connected with the gear (26) in a meshed manner, a connecting rod (29) is arranged at the lower end of the rack (28), the lower end of the connecting rod (29) is provided with the buffer box (210), the buffer assembly is arranged in the buffer box (210), and the buffer assembly is connected with a mounting seat (213) and the detection die (213) is connected with the mounting seat (213).

2. A thread extruding apparatus as recited in claim 1, wherein: the lifting assembly comprises a support (21) and a hydraulic cylinder (22), wherein the support (21) is arranged on the base (1), the hydraulic cylinder (22) is arranged on the support (21), and the telescopic end of the hydraulic cylinder (22) is connected with the adjusting box (23).

3. A thread extruding apparatus as recited in claim 1, wherein: the buffer assembly comprises a spring (211) and a sliding rod (214), the spring (211) is arranged in the buffer box (210), the spring (211) is connected with a sliding plate (212), the sliding plate (212) is connected with the sliding rod (214), the sliding plate (212) is slidably connected with the sliding rod (214) and is connected with the buffer box (210), and the sliding rod (214) is connected with the mounting seat (213).

4. A thread extruding apparatus as recited in claim 1, wherein: the mounting seat (213) is provided with a trapezoid groove (2131), a trapezoid block (2132) is connected in the trapezoid groove (2131) in a sliding mode, and the trapezoid block (2132) is connected with the detection die (215).

5. A thread extruding apparatus as recited in claim 1, wherein: the automatic scale control device is characterized by further comprising scale marks (8) and a scale (9), wherein the scale marks (8) are arranged on the upper surface of the hand wheel (24) at equal angles, the scale (9) is arranged on the adjusting box (23), and the scale (9) is arranged right above the scale marks (8).